Home / 108,915,630,983.12-163,154,650,962.72-54,234,254,854.32

Finding the Fourth Proportional to 108,915,630,983.12, 163,154,650,962.72 and 54,234,254,854.32

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Solution

The fourth proportional to 108,915,630,983.12, 163,154,650,962.72 and 54,234,254,854.32 is: 81,242,433,626.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,915,630,983.12 : 163,154,650,962.72 = 54,234,254,854.32 : x
  2. Step 2: Convert to fraction form
    108,915,630,983.12/163,154,650,962.72 = 54,234,254,854.32/x
  3. Step 3: Cross multiply
    108,915,630,983.12x = 163,154,650,962.72 × 54,234,254,854.32
  4. Step 4: Simplify right side
    108,915,630,983.12x = 8,848,570,920,979,782,434,816
  5. Step 5: Solve for x
    x = 8,848,570,920,979,782,434,816/108,915,630,983.12
  6. Step 6: Final answer
    x = 81,242,433,626.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.